diff options
Diffstat (limited to 'src/share/vm/memory/cardTableModRefBS.hpp')
| -rw-r--r-- | src/share/vm/memory/cardTableModRefBS.hpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/share/vm/memory/cardTableModRefBS.hpp b/src/share/vm/memory/cardTableModRefBS.hpp index cadb4cb88..1aa5b41ab 100644 --- a/src/share/vm/memory/cardTableModRefBS.hpp +++ b/src/share/vm/memory/cardTableModRefBS.hpp @@ -292,7 +292,7 @@ public: // these functions here for performance. protected: void write_ref_field_work(oop obj, size_t offset, oop newVal); - virtual void write_ref_field_work(void* field, oop newVal); + virtual void write_ref_field_work(void* field, oop newVal, bool release = false); public: bool has_write_ref_array_opt() { return true; } @@ -324,9 +324,14 @@ public: template <class T> inline void inline_write_ref_field_pre(T* field, oop newVal) {} - template <class T> inline void inline_write_ref_field(T* field, oop newVal) { + template <class T> inline void inline_write_ref_field(T* field, oop newVal, bool release) { jbyte* byte = byte_for((void*)field); - *byte = dirty_card; + if (release) { + // Perform a releasing store if requested. + OrderAccess::release_store((volatile jbyte*) byte, dirty_card); + } else { + *byte = dirty_card; + } } // These are used by G1, when it uses the card table as a temporary data |